渗

After achieving the solution of the mathematical model,a binomial productivity equation of gas-water well with two-phase flow in formation was derived in consideration of the influence of formation damage and non-Darcy effect,thus establishing the theory of transient inflow performance relationship curve of gas-water well.

文章基于质量守恒原理，建立了气水两相地层瞬态渗流的数学模型，通过定义气水两相拟压力函数，将渗流数学模型线性化，在获得数学模型解后，考虑地层损害和非达西效应的影响，推导出在地层中为水气两相渗流的气水同产井的二项式产能方程，从而建立了气水同产井瞬态流入动态关系曲线的理论。

The binomial deliverability equation can only be used to describe the high velocity non-Darcy filtering flow. For low permeability fracturing gas wells, due to low permeable property and high flow conductivity of the formation, the filtering flow laws of the formation are different from those before fracturing, and binomial deliverability equation can not be used for the flow condition of gas wells, therefore, new equation is needed.

二项式产能方程只能描述高速非达西渗流，对于低渗压裂气井，地层的低渗透性和裂缝的高导流能力使得其渗流规律已经和压裂前大不一样，二项式产能方程已无法描述气井的生产状况，必须建立新的方程。

BUnder the condition of three different field surface treatments-one no till,one completedeep loosening,one strip trenching,the discrepancy by total amount of accumulative infiltration byboth field test and FEM methods during 630 min was less than 10%.

而粘壤土三角形松土断面最佳参数为：松土间距s=60cm，松土深度h=10cm，松土宽度w=10。此时，当量松土深度为1.67cm，100min的入渗量为29.35mm，比相同土壤的免耕处理田面的入渗量增加了19.8%，松土效率为每增加1cm的当量松土深度，入渗量增加11.9

The following results were obtained: 1. Several multi-pore materials were compared and a nylon membrane was choosed to conduct experiments. 2. Two devices and methods for controlling negative hydraulic heads were developed. Coupled with the devices, a system for precise control of soil moisture udring pot experiment was developed. 3. Two times of pot experiment studying wheat seedling growth under precise soil moisture control were conducted. Some very important results were obtained. 4. Capillary rise, horizontal and vertical infiltration under different nagative hydraulic heads were observed. The concepts of "critical wetting distance" and "wetting coefficient" were proposed. The linear relationship between wetting front movement distance and cumulative infiltration amount was confirmed. Spatial distribution model of soil moisture and its simple derivation method were established.

通过该项目支持，获得了以下的研究成果： 1、比较和检验了不同多孔材料，初步选定了用于水分控制的多孔膜材料； 2、完成了两种负水头控制方法与装置的研究，并制作了仪器，与负水头控制装置配套，制作了盆栽实验用水分精控盆； 3、进行了两期小麦苗期水分精确控制盆栽实验，获得了一系列重要结论； 4、进行了不同负水头下土壤的毛管上升、水平入渗、垂直入渗研究，提出了临界湿润厚度、湿润系数两个概念，确定了湿润锋与入渗量的线性关系、土壤含水量的空间分布模型，土壤含水量空间分布的简单推算方法。

The better technological process now is the step control of carbon potential during carburizing.It can be considered a multi stage carburation.

目前最佳渗碳工艺方法是在整个渗碳过程中对碳势进行台阶式控制，这一过程可以看成是一个多段渗碳过程。

The tungsten heavy alloys were treated by solid surface carburization method and examined by microscope,SEM and X-ray,etc.

采用固体渗碳的方法对高密度钨合金进行了表面渗碳处理，通过显微观测、能谱分析、X射线检测等分析手段对渗层进行了检测。

The gap method is better than other methods to calculate the infiltration amount of wind through windows and doors gap, but the infiltration characteristic exponent of the gap method is influenced by some factors, such as differential pressure、fluid state、gap width、geometrical shape etc, It's Range of.

相对于其它方法，缝隙法可较准确的计算通过门窗缝隙的渗风量，但是缝隙法中的渗风特性指数受到压差、空气流态、缝宽、缝隙几何形状等因素的影响，变化范围在0.5～1.0之间，工程应用中一般取0.67，这给渗风的计算带来很大误差。

Raise concrete impermeability to have line of two kinds of technologies normally, one kind is the impermeability; that the contact that cuts off infiltration and concrete through the 3rd medium will come to raise concrete another kind is the impermeability that will raise concrete through raising the close-grained sex of concrete oneself.

提高混凝土抗渗性通常有两种技术路线，一种是通过第三介质隔断渗透物和混凝土的接触来提高混凝土的抗渗性；另一种是通过提高混凝土自身的密实性来提高混凝土的抗渗性。

The process and research of leachate treatment were analyzed, and all the methods were compared, found that after the pretreatment, commix leachate and town wastewater for a co-treatment was feasible.

研究了垃圾渗滤液的水质水量，确定了代表水样；综合分析了目前国内外垃圾渗滤液的处理工艺和研究进展，并对各种处理方法进行了比较，发现将垃圾渗滤液进行预处理之后与小城镇污水处理厂污水合并处理具有一定可行性。

Method\ Percolation of multiple-hole horizontal well is exchanged to radial percolation by applying conformal transformation theory and local percolation restriction .

应用保角变换原理和局部渗流阻力的概念，将多分枝水平井渗流问题转变为平面径向渗流问题，从而简化了求解过程。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。